11 results
An Approach to the Unknown Rash: Erythematous Rash 

#Diagnosis #Dermatology #Erythematous #Rash #Differential #Algorithm #Nikolsky #Sign
to the Unknown Rash ... : Erythematous Rash ... #Dermatology #Erythematous ... #Rash #Differential ... Nikolsky #Sign #ALiEM
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential ... Diagnosis Algorithm Erythrematous ... papules on wrists/ankles ... Discoid Lupus Erythematous
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... Papulonodular, erythematous ... biopsy preferred Differential ... lymphatic spread: common ... Tb, NTM; less common
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
evidence of (fatigue, rash ... eruption - Butterfly rash ... Photosensitive rash ... permanent alopecia Differential ... Kidney disease common
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... Stasis dermatitis - Ankles ... planus - Wrists, ankles ... #dermatology #rash ... #differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
polyangiitis (GPA) is common ... disease or more commonly ... Maculopapular rash ... reticularis Differential ... #dermatology #rash
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
everywhere) 2) A rash ... the face (many differential ... including the very common ... 6) An annular rash ... clues #system #erythematosus
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
pigmentation most commonly ... brown tint of the rash ... purpuric lesions and erythematous ... atrophy • Most common ... Dermatoses #Dermatosis #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... or trunk most commonly ... presenting with erythematous ... • Most commonly ... comparison #table #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Drug Associated (Commonly ... Associated: (± 100 % Commonly ... ischemia - Skin: erythematous ... mucositis - Rash ... systemic lupus erythematosus